From: Angelo Dureghello <angelo@sysam.it>
Date: Thu, 25 Jan 2018 21:42:52 +0000 (+0100)
Subject: m68k: ColdFire mcf5441x, add eSDHC support
X-Git-Url: http://git.dujemihanovic.xyz/?a=commitdiff_plain;h=2c92e4fbc69841170939a48e887c8fbbcb23d05c;p=u-boot.git

m68k: ColdFire mcf5441x, add eSDHC support

This patch adds mcf5441x eSDHC support for the mcf5441x family.

Signed-off-by: Angelo Dureghello <angelo@sysam.it>
---

diff --git a/arch/m68k/cpu/mcf5445x/cpu_init.c b/arch/m68k/cpu/mcf5445x/cpu_init.c
index 0b86020204..7632d9262c 100644
--- a/arch/m68k/cpu/mcf5445x/cpu_init.c
+++ b/arch/m68k/cpu/mcf5445x/cpu_init.c
@@ -173,6 +173,15 @@ void cpu_init_f(void)
 
 	/* Lowest slew rate for UART0,1,2 */
 	out_8(&gpio->srcr_uart, 0x00);
+
+#ifdef CONFIG_FSL_ESDHC
+	/* eSDHC pin as faster speed */
+	out_8(&gpio->srcr_sdhc, 0x03);
+
+	/* All esdhc pins as SD */
+	out_8(&gpio->par_sdhch, 0xff);
+	out_8(&gpio->par_sdhcl, 0xff);
+#endif
 #endif		/* CONFIG_MCF5441x */
 
 #ifdef CONFIG_MCF5445x
@@ -534,4 +543,5 @@ void cfspi_release_bus(uint bus, uint cs)
 		clrbits_8(&gpio->par_dspiow, GPIO_PAR_DSPIOW_DSPI0PSC1);
 #endif
 }
+
 #endif
diff --git a/arch/m68k/cpu/mcf5445x/speed.c b/arch/m68k/cpu/mcf5445x/speed.c
index 5214730a0f..e15e32ebde 100644
--- a/arch/m68k/cpu/mcf5445x/speed.c
+++ b/arch/m68k/cpu/mcf5445x/speed.c
@@ -120,6 +120,8 @@ void setup_5441x_clocks(void)
 	temp = ((pdr & PLL_DR_OUTDIV2_BITS) >> 5) + 1;
 	gd->bus_clk = vco / temp;	/* bus clock */
 
+	temp = ((pdr & PLL_DR_OUTDIV3_BITS) >> 10) + 1;
+	gd->arch.sdhc_clk = vco / temp;
 }
 #endif
 
diff --git a/arch/m68k/include/asm/global_data.h b/arch/m68k/include/asm/global_data.h
index aa0be8191a..188055e9d3 100644
--- a/arch/m68k/include/asm/global_data.h
+++ b/arch/m68k/include/asm/global_data.h
@@ -18,6 +18,9 @@ struct arch_global_data {
 	unsigned long vco_clk;
 	unsigned long flb_clk;
 #endif
+#ifdef CONFIG_MCF5441x
+	unsigned long sdhc_clk;
+#endif
 };
 
 #include <asm-generic/global_data.h>